✈️ Exercise 1

a.

## Parsed with column specification:
## cols(
##   .default = col_double(),
##   FlightDate = col_date(format = ""),
##   Reporting_Airline = col_character(),
##   IATA_CODE_Reporting_Airline = col_character(),
##   Tail_Number = col_character(),
##   Origin = col_character(),
##   OriginCityName = col_character(),
##   OriginState = col_character(),
##   OriginStateFips = col_character(),
##   OriginStateName = col_character(),
##   Dest = col_character(),
##   DestCityName = col_character(),
##   DestState = col_character(),
##   DestStateFips = col_character(),
##   DestStateName = col_character(),
##   CRSDepTime = col_character(),
##   DepTime = col_character(),
##   DepTimeBlk = col_character(),
##   WheelsOff = col_character(),
##   WheelsOn = col_character(),
##   CRSArrTime = col_character()
##   # ... with 40 more columns
## )
## See spec(...) for full column specifications.

Paragraph…

b.

## Parsed with column specification:
## cols(
##   .default = col_double(),
##   AIRPORT = col_character(),
##   DISPLAY_AIRPORT_NAME = col_character(),
##   DISPLAY_AIRPORT_CITY_NAME_FULL = col_character(),
##   AIRPORT_COUNTRY_NAME = col_character(),
##   AIRPORT_COUNTRY_CODE_ISO = col_character(),
##   AIRPORT_STATE_NAME = col_character(),
##   AIRPORT_STATE_CODE = col_character(),
##   AIRPORT_STATE_FIPS = col_character(),
##   DISPLAY_CITY_MARKET_NAME_FULL = col_character(),
##   LAT_HEMISPHERE = col_character(),
##   LON_HEMISPHERE = col_character(),
##   AIRPORT_START_DATE = col_date(format = ""),
##   AIRPORT_THRU_DATE = col_date(format = ""),
##   X33 = col_logical()
## )
## See spec(...) for full column specifications.

c. 

## Source : http://tile.stamen.com/terrain/4/2/5.png
## Source : http://tile.stamen.com/terrain/4/3/5.png
## Source : http://tile.stamen.com/terrain/4/4/5.png
## Source : http://tile.stamen.com/terrain/4/5/5.png
## Source : http://tile.stamen.com/terrain/4/2/6.png
## Source : http://tile.stamen.com/terrain/4/3/6.png
## Source : http://tile.stamen.com/terrain/4/4/6.png
## Source : http://tile.stamen.com/terrain/4/5/6.png
## Source : http://tile.stamen.com/terrain/4/2/7.png
## Source : http://tile.stamen.com/terrain/4/3/7.png
## Source : http://tile.stamen.com/terrain/4/4/7.png
## Source : http://tile.stamen.com/terrain/4/5/7.png

✈️ Exercise 2

a.

Flights-after normalise as NY Time
Origin_DateTime_NY Dest_DateTime_NY Tail_Number Origin Dest
2020-02-01 20:35:00 2020-02-01 22:46:00 N231JB ATL BOS
2020-02-01 20:48:00 2020-02-01 23:20:00 N309JB BOS ATL
2020-02-01 10:38:00 2020-02-01 12:52:00 N284JB ATL BOS
2020-02-01 06:01:00 2020-02-01 07:56:00 N632JB ATL FLL
2020-02-01 10:46:00 2020-02-01 12:31:00 N547JB FLL ATL
2020-02-01 07:22:00 2020-02-01 10:02:00 N637JB JFK ATL

b.

c. 

## New names:
## * value -> value...1
## * value -> value...2
## New names:
## * value -> value...1
## * value -> value...2

d. 

e.

Here is one way to make an animation.

✈️ Exercise 3

✈️ Exercise 4

References

Cite the main sources for your work, including R packages used.